quindecagon

quin·de·ca·gon
Q10U1I1N1D2E1C3A1G2O1N1

noun

A polygon with fifteen sides and fifteen angles.

Similar
pentadecagonquindecangle
OriginAncient Greek γωνία (gōnía) ← Proto-Hellenic *gonwía ← Proto-Indo-European *ǵónu →
Scrabble 24
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Meanings

nounquindecagon (plural quindecagons)

plural quindecagons

  1. geometryA polygon with fifteen sides and fifteen angles.

    Synonyms: pentadecagon, quindecangle

Synonyms & antonyms

nounA polygon with fifteen sides and fifteen angles.

Similar
pentadecagonquindecangle
Also see
pentadecagonquindecangle

Origin

  1. Englishquindec-
  2. Proto-Indo-European*ǵónu
  3. Proto-Hellenic*gónu
  4. Proto-Hellenic*gonwía
  5. Ancient Greekγωνία (gōnía)
  6. Englishquindecagon

From quindec- + -a- + -gon.

Full word history & related roots →

Translations

Finnish viisitoistakulmio
  • viisitoistakulmiopolygon with fifteen sides
Polish piętnastokąt
  • piętnastokątpolygon with fifteen sides
Russian пятнадцатиугольник
  • пятнадцатиугольник (pjatnadcatiugolʹnik)polygon with fifteen sides
Ukrainian п'ятнадцятикутник
  • п'ятнадцятикутник (pʺjatnadcjatykutnyk)polygon with fifteen sides
Cite this entry
APA

quindecagon. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/quindecagon

MLA

“quindecagon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quindecagon. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “quindecagon,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/quindecagon.

Source: quindecagon on Wiktionary, CC BY-SA 4.0.